It also kind of looks like his arms develop out of the front of the truck. Note they are red and not blue like the leader toy. But the front fenders do appear to be part of the lower legs - so the leader toy is a compromise between the actual movie transformation and what is actually possible with a toy.

It also kind of looks like his arms develop out of the front of the truck. Note they are red and not blue like the leader toy. But the front fenders do appear to be part of the lower legs - so the leader toy is a compromise between the actual movie transformation and what is actually possible with a toy.